Portable manually-operated coffee maker



FIG. 1 is a top perspective view of a portable manually-operated coffee maker showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is an environmental bottom perspective view thereof where the lower cup is removed beneath. 

CLAIM The ornamental design for a portable manually-operated coffee maker, as shown and described. 